Question

simplify (√5-√2)(√5+√2)​

Answer 1

Answer:

(5+2)(5−2)

We know that (a+b)(a−b)=a2−b2

=(5+2)(5−2)

=(5)2−(2)2

=5−2

=3

Answer 2

Answer:

Answer:

(√5-√2)(√5+√2) = 3

Explanation:

Simplification of

(√5-√2)(√5+√2)

= (√5)²-(√2)²

By \: algebraic\: identity \:Byalgebraicidentity

\boxed {(a-b)(a+b)=a^{2}-b^{2}}

(a−b)(a+b)=a

2

−b

2

= 5 - 2

= 3

Therefore,

(√5-√2) (√5+√2) = 3

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